Vol 5 - Landau Lifshitz Statistical Physics · Problem 43.1

Ideal Gases

Physics — Landau & Lifshitz · connecting-vessels-different-temperatures-entropy

Problem

Two identical ideal gases at the same pressure

P

and containing the same number of particles

N

but at different temperatures

T_1

and

T_2

are in vessels with volumes

V_1

and

V_2

. The vessels are then connected. Find the change in entropy.